Electric toothbrush



FIG. 1 is a front right perspective view of an electric toothbrush according to a first embodiment of the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged top plan view thereof;

FIG. 9 is an enlarged bottom plan view thereof;

FIG. 10 is a front elevation view of an electric toothbrush according to a second embodiment of the new design;

FIG. 11 is a rear elevation view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a right side elevation view thereof,

FIG. 15 is a left side elevation view thereof;

FIG. 16 is a front right perspective view thereof;

FIG. 17 is an enlarged top plan view thereof;

FIG. 18 is an enlarged bottom plan view thereof;

FIG. 19 is an enlarged view of area 19 of FIG. 10; and,

FIG. 20 is an enlarged view of area 20 of FIG. 16.

The dash-dot broken lines shown in the drawings illustrate the bounds of the areas shown in the enlarged views, and the bounds of the enlarged views themselves, and form no part of the claimed design. 

CLAIM The ornamental design for an electric toothbrush, as shown and described. 